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/**************************************************************
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*************************************************************/
#ifndef SD_SLIDESORTER_CACHE_REQUEST_PRIORITY_CLASS_HXX
#define SD_SLIDESORTER_CACHE_REQUEST_PRIORITY_CLASS_HXX
namespace sd { namespace slidesorter { namespace cache {
/** Each request for a preview creation has a priority. This enum defines
the available priorities. The special values MIN__CLASS and MAX__CLASS
are/can be used for validation and have to be kept up-to-date.
*/
enum RequestPriorityClass
{
MIN__CLASS = 0,
// The slide is visible. A preview does not yet exist.
VISIBLE_NO_PREVIEW = MIN__CLASS,
// The slide is visible. A preview exists but is not up-to-date anymore.
VISIBLE_OUTDATED_PREVIEW,
// The slide is not visible.
NOT_VISIBLE,
MAX__CLASS = NOT_VISIBLE
};
} } } // end of namespace ::sd::slidesorter::cache
#endif
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